Answers

2016-03-25T17:29:31+05:30
They are :-
1)deforestation
2)Urbanization
3)over population
4)over usage of natural things
5)illiteracy 
0
2016-03-27T11:58:35+05:30
Five factors :
1) urbanisation
2)loss of habitats
3)illegal poaching
4)pollution of natural resources
4) natural factors like forest fire.
0